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Electric Flanged Butterfly Valve

Electric Flanged Butterfly Valve

Electric Flanged Butterfly Valve

Size Range: DN50-DN2000

Material: SS304, SS316

Connection Options: Flanged End

Pressure: 0.6Mpa ~ 4.0Mpa

Working Temperature: -29°C to 425°C

Sealing Options: SS304 + Graphite

Applicable Medium: Water, oil, gas, acetic acid, nitric acid

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Product Overview

An electric flanged butterfly valve is an automated quarter-turn valve designed for precise on/off and modulating flow control. With a secure flanged connection and electric actuator, it delivers stable sealing, accurate positioning, and reliable performance in water treatment, HVAC, power, chemical, and industrial process systems.

Product Features

  • Electric actuator enables precise on/off and modulating control
  • Flanged connection ensures secure installation and leak-tight sealing
  • Smooth quarter-turn operation with stable torque output
  • Supports remote control and automation systems
  • Durable construction for long service life
  • Suitable for water, HVAC, power, and industrial applications

Specification Parameters

ITEMSPECIFICATION
Nominal Pressure (MPa)PN0.6PN1.0PN1.6PN2.5PN4.0
Shell Test Pressure(MPa)PT0.9PT1.5PT2.4PT3.8PT6.0
Low-Pressure Closure Test0.6 MPa
Suitable MediumWater, Oil, Gas, Acetic Acid, Nitric Acid
Suitable Temperature−29 °C ~ 425 °C

Product parts materials

MATERIAL NAMECARBON STEELSTAINLESS STEEL
BodyWCBCF8CF8M
DiscWCBCF8CF8M
Stem13Cr304316
Seat Ring304 + Graphite304 + Graphite304 + Graphite
PackingGraphiteGraphiteGraphite

Flanged Butterfly Valve D943 Diagram

The main shape and connection dimensions – D943 in (mm)

NOMINAL DIAMETERSTRUCTURE LENGTH (STANDARD)EXTERNAL DIMENSIONCONNECTION DIMENSION (STANDARD)
mmSHORT LLONG LHD943PN0.6 MPaPN1.0 MPa
H3A3B3DD1Z-dDD1Z-d
501089501125302502551401104-141651254-18
651128701155302502551601304-141851454-18
801147901205652502551901504-182001608-18
1001277101386002502552101704-182201808-18
1251406301646402502552402008-182502108-18
1501405501757053003152652258-182852408-22
2001525102007753003153202808-183402958-22
25016547024394530031537533512-1839535012-22
300178430250107030031544039512-2244540012-22
350190390280114030031549044512-2250546016-22
400216350305121030031554049516-2256551516-26
450222330350133557571459555016-2261556520-26
500229310380141557571464560020-2267062020-26
600267290445160565681075570520-2678072520-30
700292270480184465681086081024-2689584024-30
800318250530204065681097592024-30101595024-33
90033023058022557858631075102024-301115105028-33
100041021065023807858631175112028-301230116028-36
120047020076026407858631405134032-331455138032-39
14005301908502886  1630156036-361675159036-42
160060018010303156  1830176040-361915182040-48
180067017012303421  2045197044-392115202044-48
200076015013503685  2265218048-422325223048-48
NOMINAL DIAMETER (mm)STRUCTURE LENGTH (STANDARD)EXTERNAL DIMENSIONCONNECTION DIMENSION (STANDARD)
mmLHD943 PN1.6 MPaPN2.5 MPa
H3A3B3A3B3DD1Z-dD
501081125302502552502551651254-18165
651121155302502552502551851454-18185
801141205652502552502552001608-18200
1001271386002502552502552201808-18235
1251401646402502552502552502108-18270
1501401757053003153003152852408-22300
20015220077530031530031534029512-22360
25016524394530031530031540535512-26425
300178250107030031530031546041012-26485
350190280114030031530031552047016-26555
400216305121030031530031558052516-30620
450222350133557571457571464058520-30670
500229380141557571457571471565020-33730
600267445160565681065681084077020-36845
700292480184465681065681091084024-36960
8003185302040656810656810102595024-391085
90033058022557858637858631125105028-391185
100041065023807858637858631255117028-421320
120047076026407858637858631485139032-481530
14005308502886——1685159036-481755
160060010303156——1930182040-561975
180067012303421——2130202044-562195
200076013503685——2345223048-622425
NOMINAL DIAMETERSTRUCTURE LENGTH (STANDARD)EXTERNAL DIMENSIONCONNECTION DIMENSION (STANDARD)
mmSHORT LLONG LHD943PN4.0MPa
H3A3B3DD1Z-d
501081501125302502551651254-18
651121701155302502551851458-18
801141801205652502552001608-18
1001271901386002502552351908-22
1251402001646402502552702208-26
1501402101757053003153002508-26
20015223020077530031537532012-30
25016525024394530031545038512-33
300178270250107030031551545016-33
350190290280114030031558051016-36
400216310305121030031566058516-39
450222330350133557571468561020-39
500229350380141557571475567020-42

Specification Applications

  • Water supply and wastewater treatment systems
  • HVAC and building automation pipelines
  • Power generation and utility networks
  • Chemical and industrial process control
  • Desalination and water transmission projects
  • Automated flow control in large-diameter piping systems
Product Categories
Tags

Valve Actuation

Process Optimization

Precision Engineering

Pipeline Solutions

Industrial Valves

Flow Control

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